From: Johannes Berg johannes.berg@intel.com
commit f7e60032c6618dfd643c7210d5cba2789e2de2e2 upstream.
This should use wiphy_lock() now instead of requiring the RTNL, since __cfg80211_leave() via cfg80211_leave() is now requiring that lock to be held.
Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver") Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/wireless/reg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2440,11 +2440,11 @@ static void reg_leave_invalid_chans(stru struct wireless_dev *wdev; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
- ASSERT_RTNL(); - + wiphy_lock(wiphy); list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) if (!reg_wdev_chan_valid(wiphy, wdev)) cfg80211_leave(rdev, wdev); + wiphy_unlock(wiphy); }
static void reg_check_chans_work(struct work_struct *work)